karstenholm.dk is a .dk domain served by 4 nameservers (ns.kleinweb.dk, ns2.kleinweb.dk, ns3.kleinweb.dk and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.43.138.27 is hosted by Klein-Data (AS59979) in Denmark. Mail is handled by karstenholm-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 195.43.138.27 | 120s | host03.kleinweb.dk | AS59979 | Klein-Data | 195.43.138.0/24 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| v=spf1 include:spf.kleinweb.dk include:spf.protection.outlook.com ~all |
| Policy | Record (karstenholm.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:spf.kleinweb.dk include:spf.protection.outlook.com ~all |
| Policy | Record (_dmarc.karstenholm.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www | 195.43.138.27 (AS59979) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 2/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026071302 |
| Primary NS (MNAME) | ns.kleinweb.dk |
| Responsible (RNAME) | hostmaster@kleinweb.dk |
| Refresh | 7200s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 21600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-08-28 05:56:11 shown | 1563ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-16 14:45:36 | 9079ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-23 18:46:54 | 798ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-23 00:07:55 | 932ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 02:50:23 | 928ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 17:57:31 | 1200ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 17:56:42 | 4165ms | 4 NS 1 A 1 MX | 🔓 Insecure |